Add TLS_KDF to documented break tests.

8846533744 added a “power-on” test for the TLS KDF, but omitted to add
it to the documented list of these tests.

Change-Id: I13dbad4b9359e7dae0938d02ac53e5e011f50824
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/44505
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>

crypto/fipsmodule/FIPS.md

diff --git a/crypto/fipsmodule/FIPS.md b/crypto/fipsmodule/FIPS.md
index f967a2d..d3b3890 100644
--- a/crypto/fipsmodule/FIPS.md
+++ b/crypto/fipsmodule/FIPS.md
@@ -35,6 +35,7 @@
 1. DRBG
 1. RSA\_PWCT
 1. ECDSA\_PWCT
+1. TLS\_KDF
 
 ## Breaking the integrity test